<template>
  <div class="icons">

    <swiper>

      <swiper-slide v-for="(page, index) of pages" :key="index">
      <div class="icon" v-for="item of page" :key="item.id">
        <div class="icon-img">
          <img class="icon-img-content" :src="item.imgUrl" alt="" />
        </div>
          <p class="icon-desc">{{item.desc}}</p>
      </div>
      </swiper-slide>

    </swiper>

  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data(){
    return{
      iconList:[{
        id: '0001',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/95/f3dd6c383aeb3b02.png',
        desc: '景点门票'
      },{
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '必游榜单'
      },{
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/6a/45f595250c73d102.png',
        desc: '夏日玩水'
      },{
        id: '0004',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      },{
        id: '0005',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/95/f3dd6c383aeb3b02.png',
        desc: '景点门票'
      },{
        id: '0006',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '必游榜单'
      },{
        id: '0007',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/6a/45f595250c73d102.png',
        desc: '夏日玩水'
      },{
        id: '0008',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      },{
        id: '0009',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/e3/67df61427c8e1302.png',
        desc: '演出'
      }]
    }
  },
  computed: {
    pages (){
      const pages = []
      this.iconList.forEach((item, index)=>{
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }

}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'

  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icon
    position: relative
    overflow: hidden
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .45rem
      box-sizing: border-box
      padding: .1rem
      .icon-img-content
        display: block
        margin: 0 auto
        height: 100%
    .icon-desc
      position: absolute
      left: 0
      right: 0
      bottom: -.8rem
      height: 2.44rem
      line-height: 2.44rem
      text-align: center
      color: $darkTextColor
      ellipsis()
</style>
